diff options
Diffstat (limited to 'pkg/tcpip/link/rawfile/blockingpoll_unsafe.go')
-rw-r--r-- | pkg/tcpip/link/rawfile/blockingpoll_unsafe.go | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/pkg/tcpip/link/rawfile/blockingpoll_unsafe.go b/pkg/tcpip/link/rawfile/blockingpoll_unsafe.go new file mode 100644 index 000000000..4eab77c74 --- /dev/null +++ b/pkg/tcpip/link/rawfile/blockingpoll_unsafe.go @@ -0,0 +1,29 @@ +// Copyright 2018 The gVisor Authors. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +// +build linux,!amd64 + +package rawfile + +import ( + "syscall" + "unsafe" +) + +// BlockingPoll is just a stub function that forwards to the poll() system call +// on non-amd64 platforms. +func BlockingPoll(fds *PollEvent, nfds int, timeout int64) (int, syscall.Errno) { + n, _, e := syscall.Syscall(syscall.SYS_POLL, uintptr(unsafe.Pointer(fds)), uintptr(nfds), uintptr(timeout)) + return int(n), e +} |